The Green Glue products are among the most popular and cost-effective way to soundproof any application. From the Green Glue Compound that dampens the layers of wall, to the Green Glue Sealant that seals the gaps wherever needed, these products work to dissipate all vibrations & sound waves traveling through your walls, floors and ceilings. This line of products also includes the caulk gun for the tubes of compound & sealant, as well as the dispensing gun use with the 5-gallon pail of compound.